package com.lyt.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.lyt.reggie.common.R;
import com.lyt.reggie.entity.User;
import com.lyt.reggie.service.UserService;
import com.lyt.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * Author:李雨涛
 * Date:2023-03-10-10:57
 * 描述：
 */
@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping("/sendMsg")
   public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone = user.getPhone();
        //生成随机数
        if(StringUtils.isNotEmpty(phone)){
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info(code);

            //session.setAttribute(phone,code);
            //使用Redis缓存短信验证码
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);

            return R.success("手机验证短信发送成功");
        }
        return R.error("短信发送失败");
   }
   @PostMapping("/login")
   public R<User> login(@RequestBody Map map,HttpSession session){
       String phone = map.get("phone").toString();
       String code = map.get("code").toString();

      // session.getAttribute(phone);
       //从Redis中取出验证码
       Object codeInsession =redisTemplate.opsForValue().get(phone);

       if(codeInsession!=null && codeInsession.equals(code)){
           LambdaQueryWrapper<User> queryWrapper=new LambdaQueryWrapper<>();
           queryWrapper.eq(User::getPhone,phone);
           User user = userService.getOne(queryWrapper);
           if(user==null){
               user=new User();
               user.setPhone(phone);
               userService.save(user);
           }
           session.setAttribute("user",user.getId());
           //登录成功就从Redis中删除验证码
           redisTemplate.delete(phone);
           return R.success(user);

       }
       return R.error("登录失败");
   }
}
